Sie Ventures is a syndicate and venture capital firm. Based in London, England, United Kingdom. The known portfolio counts 10 companies, including Biographica, Anansi, By Rotation, Emm, Rosaly and Space DOTS.
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Investment focus
Who to pitch at Sie Ventures
Sie Ventures portfolio companies (10)
- Biographica
- Anansi
- By Rotation
- Emm
- Rosaly
- Space DOTS
- Your Juno
- Grünfin
- Fifth Dimension AI
- Shareback
Co-investors
Funds that share portfolio companies with Sie Ventures.
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About Sie Ventures
The firm's listing covers sectors AI, Commerce, Consumer and Education, and focus areas Aerospace, Asset Management, Biotech and Data; known deals cluster at Pre-Seed and Seed.
The team counts 7 people in our database. Triin Linamagi (Founding Partner), Sapna Shah (Venture Partner) and Emily LaRocque (Venture Partner) are shown as the contacts to pitch.
Across the known portfolio, 20 co-investors appear alongside Sie Ventures, including Chalfen Ventures, WOMEN IN FUNDS® and Female Leaders VC Fund.
Frequently asked questions
What is Sie Ventures?
Sie Ventures is a syndicate and venture capital firm based in London, England, United Kingdom, with a known portfolio of 10 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.
What does Sie Ventures invest in?
Listed sectors include AI, Commerce, Consumer and Education; listed focus areas include Aerospace, Asset Management, Biotech and Data. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.
What stage does Sie Ventures invest at?
The known deals of Sie Ventures include Pre-Seed and Seed rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
Who should I pitch at Sie Ventures?
3 of the 7 people on file at Sie Ventures are listed as contacts for the firm. All 7 have their own profile page.
How do I contact Sie Ventures?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 7 people attached to the firm have their own pages, each showing whether an address is on file for them.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal